CN103525234B - The water-soluble Automobile Coatings of weathering resistance and method for making thereof - Google Patents
The water-soluble Automobile Coatings of weathering resistance and method for making thereof Download PDFInfo
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- CN103525234B CN103525234B CN201210228739.9A CN201210228739A CN103525234B CN 103525234 B CN103525234 B CN 103525234B CN 201210228739 A CN201210228739 A CN 201210228739A CN 103525234 B CN103525234 B CN 103525234B
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Abstract
The invention discloses the water-soluble Automobile Coatings of weathering resistance and method for making thereof, by 31-45 weight part water-based poly (glycidyl methacrylate), 23-39 weight part water-based polymethyl acrylic acid hexafluoro butyl ester resin, 12-18 weight part water-based closure polyisocyanates, 0.2-0.5 weight part aqueous polyurethane flow agent, 0.3-0.5 weight part water-based Siloxane-Oxyalkylene Copolymers wetting agent, 1-3 weight part aqueous polyurethane thickener, 10-24 parts by weight of deionized water, 0.5-1.3 weight part benzotriazole ultraviolet absorbent, 0.2-0.6 weight part phosphorous acid ester photostabilizer, 4-7 parts by weight of isopropyl alcohol film coalescence aid and 0.2-0.6 weight part isothiazolinone disinfecting agent are mixed with in a reservoir and form.Present invention uses two kinds of water-base resins had excellent weather resistance is matrix resin, by the dispersion of various auxiliary agent, ensure that weathering resistance and the high-luster of the excellence of paint film, xenon lamp aging 400h, gloss loss only 12%, gloss (20 °) reaches 90GU, simultaneously, water-based system eliminates organic solvent and to volatilize the pollution caused, and product reaches all technical indicators of solvent-borne type Automobile Coatings.
Description
Technical field
The invention belongs to car paint production technical field, be specifically related to the automobile water-based property finishing paint had excellent weather resistance.
Background technology
At present, automobile industry generally uses solvent-borne type car paint, in order to easy construction, a large amount of benzene is added in coating, toluene, the hazardous and noxious substances such as ethylbenzene and dimethylbenzene, can significant damage be brought to HUMAN HEALTH and substantial pollution be caused to environment, organic volatile (VOC) quantity discharged caused in painting dressing automobiles process can more than 120g/m2, and nineteen ninety-five Germany environmental protection standard just give with regard to the discharge of VOC and be limited in 35g/m2, reach this requirement, just thoroughly must eliminate the organic solvent in coating, deionized water is used to replace traditional organic solvent, prepare aqueous automobile paint.Patent CN100545227C reports " a kind of water-based finish varnish for vehicles ", refer to a kind of preparation method of water-based finish varnish for vehicles, be made up of m-phthalic acid 5-12%, trimellitic anhydride 1-5%, Succinic anhydried 1-5%, hexanodioic acid 5-15%, BDO 5-12%, TriMethylolPropane(TMP) 3-10%, ethylene glycol butyl ether 1-8%, dimethylethanolamine 1-4%, deionized water 50-65%.Patent CN101104768B discloses " highlight water-based automobile paint ", disclosing a kind of highlight water-based automobile paint, is be mixed and made into coating varnish in a reservoir by methacrylate resin 27-36%, ethyl acrylate resin 31-41%, water-soluble methyl-etherified aminoresin 9-14%, aqurous ployurethane flow agent 0.1-0.3%, aqueous polyurethane thickening leveling agent 3-5% and deionized water 3-18.5%.But at present, still there is weathering resistance and the poor problem of glossiness in automobile waterborne clear finish.
Summary of the invention
The object of this invention is to provide the water-soluble Automobile Coatings of weathering resistance, use Clear Top Finish For Automobiles substitutes organic solvent-borne Clear Top Finish For Automobiles, thoroughly solves the harm that in Automobile Coatings, obnoxious flavour causes.
Technical scheme of the present invention is: the water-soluble Automobile Coatings of weathering resistance is that, aqueous polyurethane thickener, deionized water, benzotriazole ultraviolet absorbent, phosphorous acid ester photostabilizer, Virahol film coalescence aid and isothiazolinone disinfecting agent wetting by water-based poly (glycidyl methacrylate), water-based polymethyl acrylic acid hexafluoro butyl ester resin, watersoluble closed property polyisocyanates, aqueous polyurethane flow agent, water-based Siloxane-Oxyalkylene Copolymers mix in high speed dispersion agent.
The weight part of each material is: 31-45 weight part water-based poly (glycidyl methacrylate), 23-39 weight part water-based polymethyl acrylic acid hexafluoro butyl ester resin, 12-18 weight part water-based closure polyisocyanates, 0.2-0.5 weight part aqueous polyurethane flow agent, 0.3-0.5 weight part water-based Siloxane-Oxyalkylene Copolymers wetting agent, 1-3 weight part aqueous polyurethane thickener, 10-24 parts by weight of deionized water, 0.5-1.3 weight part benzotriazole ultraviolet absorbent, 0.2-0.6 weight part phosphorous acid ester photostabilizer, 4-7 parts by weight of isopropyl alcohol film coalescence aid and 0.2-0.6 weight part isothiazolinone disinfecting agent.
Weathering resistance water-soluble Automobile Coatings preparation method: by above-mentioned material and weight part, in homogenizer, add that water-based poly (glycidyl methacrylate), water-based polymethyl acrylic acid hexafluoro butyl ester resin, water-based Siloxane-Oxyalkylene Copolymers are wetting, aqueous polyurethane flow agent and deionized water, under the rotating speed of 800-1200rpm, stir 1.5h; Then, be under the rotating speed of 1200-1600rpm at rotating speed, add watersoluble closed property polyisocyanates, benzotriazole ultraviolet absorbent, phosphorous acid ester photostabilizer, aqueous polyurethane thickener, Virahol film coalescence aid and isothiazolinone disinfecting agent, continue to stir 2h, obtain the water-soluble Automobile Coatings of weathering resistance.
This product compared with current high solid solvent-borne type Automobile Coatings, the harm that the volatilization completely eliminating poisonous and harmful organic solvent in production and use procedure causes to direct labor and air and pollution; Product reaches the technical indicator of organic solvent type Automobile Coatings.Reach and carry out the national environmental requirement to automotive industry.
Embodiment
In homogenizer, add 40g water-based poly (glycidyl methacrylate), 32g water-based polymethyl acrylic acid hexafluoro butyl ester resin, 0.4g water-based Siloxane-Oxyalkylene Copolymers wetting agent, 0.3g aqueous polyurethane flow agent and 18g deionized water, under the rotating speed of 1000rpm, stir 1.5h; Then, be under the rotating speed of 1400rpm at rotating speed, add 16g watersoluble closed property polyisocyanates, 1.1g benzotriazole ultraviolet absorbent, 0.5g phosphorous acid ester photostabilizer, 1.5g aqueous polyurethane thickener, 6g Virahol film coalescence aid and 0.5g isothiazolinone disinfecting agent, continue to stir 2h, obtain the water-soluble based finish varnish for vehicles of weathering resistance.
The aqueous automobile finishing paint obtained is sprayed on model, after 140 DEG C of solidification 20min, the paint film obtained is tested, the results are shown in Table 1.
Table 1, waterborne clear finish coating property and paint film property test result
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. the water-soluble Automobile Coatings of weathering resistance, it is characterized in that: be mixed with by following materials and form, material used and weight part thereof are: 31-45 weight part water-based poly (glycidyl methacrylate), 23-39 weight part water-based polymethyl acrylic acid hexafluoro butyl ester resin, 12-18 weight part water-based closure polyisocyanates, 0.2-0.5 weight part aqueous polyurethane flow agent, 0.3-0.5 weight part water-based Siloxane-Oxyalkylene Copolymers wetting agent, 1-3 weight part aqueous polyurethane thickener, 10-24 parts by weight of deionized water, 0.5-1.3 weight part benzotriazole ultraviolet absorbent, 0.2-0.6 weight part phosphorous acid ester photostabilizer, 4-7 parts by weight of isopropyl alcohol film coalescence aid and 0.2-0.6 weight part isothiazolinone disinfecting agent.
2. the method for making of the water-soluble Automobile Coatings of weathering resistance according to claim 1, it is characterized in that: according to the weight part of material according to claim 1, in homogenizer, add water-based poly (glycidyl methacrylate), water-based polymethyl acrylic acid hexafluoro butyl ester resin, water-based Siloxane-Oxyalkylene Copolymers wetting agent, aqueous polyurethane flow agent and deionized water, under the rotating speed of 800-1200rpm, stir 1.5h; Then, be under the rotating speed of 1200-1600rpm at rotating speed, add watersoluble closed property polyisocyanates, benzotriazole ultraviolet absorbent, phosphorous acid ester photostabilizer, aqueous polyurethane thickener, Virahol film coalescence aid and isothiazolinone disinfecting agent, continue to stir 2h, obtain the water-soluble based finish varnish for vehicles of weathering resistance.
3. the method for making of the water-soluble Automobile Coatings of weathering resistance according to claim 2, it is characterized in that: in homogenizer, add 40g water-based poly (glycidyl methacrylate), 32g water-based polymethyl acrylic acid hexafluoro butyl ester resin, 0.4g water-based Siloxane-Oxyalkylene Copolymers wetting agent, 0.3g aqueous polyurethane flow agent and 18g deionized water, under the rotating speed of 1000rpm, stir 1.5h; Then, be under the rotating speed of 1400rpm at rotating speed, add 16g watersoluble closed property polyisocyanates, 1.1g benzotriazole ultraviolet absorbent, 0.5g phosphorous acid ester photostabilizer, 1.5g aqueous polyurethane thickener, 6g Virahol film coalescence aid and 0.5g isothiazolinone disinfecting agent, continue to stir 2h, obtain the water-soluble Automobile Coatings of weathering resistance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210228739.9A CN103525234B (en) | 2012-07-04 | 2012-07-04 | The water-soluble Automobile Coatings of weathering resistance and method for making thereof |
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| CN201210228739.9A CN103525234B (en) | 2012-07-04 | 2012-07-04 | The water-soluble Automobile Coatings of weathering resistance and method for making thereof |
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| CN103525234A CN103525234A (en) | 2014-01-22 |
| CN103525234B true CN103525234B (en) | 2016-02-24 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029199A (en) * | 2006-02-28 | 2007-09-05 | 上海捷邦精细化工有限公司 | Water light-screening varnish of automobile |
| CN101104768A (en) * | 2007-04-06 | 2008-01-16 | 刘成金 | Highlight water-based automobile paint |
| JP2009197193A (en) * | 2008-02-25 | 2009-09-03 | Kaneka Corp | Wear-resistance improving agent for coating |
| CN101851450A (en) * | 2010-06-28 | 2010-10-06 | 上海衡峰氟碳材料有限公司 | Waterborne fluorocarbon texture coating and preparation method and application thereof |
-
2012
- 2012-07-04 CN CN201210228739.9A patent/CN103525234B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029199A (en) * | 2006-02-28 | 2007-09-05 | 上海捷邦精细化工有限公司 | Water light-screening varnish of automobile |
| CN101104768A (en) * | 2007-04-06 | 2008-01-16 | 刘成金 | Highlight water-based automobile paint |
| JP2009197193A (en) * | 2008-02-25 | 2009-09-03 | Kaneka Corp | Wear-resistance improving agent for coating |
| CN101851450A (en) * | 2010-06-28 | 2010-10-06 | 上海衡峰氟碳材料有限公司 | Waterborne fluorocarbon texture coating and preparation method and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 我国水性氟碳树脂研究综述;刘洪珠等;《上海涂料》;20100430;第48卷(第4期);第37页左栏第3段、第40页右栏第1-2段 * |
| 耐候粉末涂料用环氧树脂;梁平辉;《热固性树脂》;20041130;第19卷(第6期);第41页左栏第3段 * |
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| CN103525234A (en) | 2014-01-22 |
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Effective date of registration: 20210812 Address after: 132000 room 307, No. 480, Jigu Road, Jilin economic and Technological Development Zone, Jilin City, Jilin Province (Jilin fine chemical Incubation Park) Patentee after: Huatu chemical (Jilin) Co.,Ltd. Address before: 130021 No. 1999, Yisi Road, phase II, economic development zone, Chaoyang District, Changchun City, Jilin Province Patentee before: CHANGCHUN SANHUA INDUSTRY Co.,Ltd. |